汽车空调热负荷计算及选型算例

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Example:

一、M -Vehicle Key information Survey for Air condition

Sheet 1: Vehicle Key information Survey

1.Vehicle:Max Passenger (driver included) :5 persons

Inner volume space:3.8m3

2 Glass

Windshield : Materials: White+PVB Width:4mm Areas:1.06m2 Conduction coefficient: 6.4 Transmission rate:0.7 L-front window: Materials: Green Width:3.2mm Areas:0.33m2 Conduction coefficient:6.4 Transmission rate:0.7 R-front window: Materials:Green Width: 3.2mm Areas:0.33m2 Conduction coefficient:6.4 Transmission rate:0.7 L-rear window: Materials:Green Width: 3.2mm Areas:0.28m2 Conduction coefficient:6.4 Transmission rate:0.7 R-rear window: Materials:Green Width: 3.2mm Areas:0.28m2 Conduction coefficient:6.4 Transmission rate:0.7 Black window : Materials:Green Width: 3.2mm Areas:0.78m2 Conduction coefficient:6.4 Transmission rate:0.7 3 Roof panel

Roof outside: Materials: DC04 Width: 0.7mm Areas: 1.85m2 Conduction coefficient:48

4 Roof

Roof inside: Materials: PE+PU Width: 2mm Areas:1.85m2 Conduction coefficient:0.045

Base : Materials: PU+GF Width:4.7mm Areas:1.85m2 Conduction coefficient:0.05

Roof Back: Materials: PET Width:0.5mm Areas:1.85m2 Conduction coefficient:0.05

5 Floor

Front floor: Materials: DC04 Width: 0.8mm Areas:0.949m2 Conduction coefficient:48

Middle floor: Materials: DC04 Width: 0.7mm Areas:0.921m2 Conduction coefficient:48

Rear floor: Materials: DC04 Width: 0.7mm Areas:1.322m2 Conduction coefficient:48

Central floor: Materials: DC04 Width: 1.2mm Areas:0.688m2 Conduction coefficient:48

Damper cushion: Materials: spin felt Width: 20mm Areas: 2.26m2 Conduction coefficient:0.05

Carpet: Materials:PET+EVA Width: 5mm Areas: 2.26m2 Conduction coefficient:0.05

6 Firewall

Dash panel Materials: B180H1 Width:1.2mm Areas: 1.17m2 Conduction coefficient:48

Outside damper Materials:Al-foil+PET

GF+PET Width:25mm Areas:0.75 m2 Conduction coefficient:0.045

Inside damper Materials: EVA+PU Width:25mm Areas:0.295m2 Conduction coefficient:0.05

In- down damper Materials: EVA+PU Width:25mm Areas:0.737 m2 Conduction coefficient:0.05

7Side body

Outside Materials: DC04 Width: 0.7 mm Areas:1.4m2 Conduction coefficient:48

Inside Materials:B340/590DP

/B340LA Width: 1.5 mm Areas:1.4m2 Conduction coefficient:48

Inside trim Materials: PP-T20 Width: 2.5 mm Areas:1.4m2 Conduction coefficient:0.05

8.Door

Outside Materials:B180H1 Width: 0.7 mm Areas:2.81m2 Conduction coefficient:48

Inside Materials: DC04 Width: 0.8 mm Areas:2.81m2 Conduction coefficient:48

Inside trim Materials:ABS+PVC+

PP+EPDM-T20 Width:3mm Areas:2.81m2 Conduction coefficient:0.05

备注:Conduction coefficient单位为:w/m2.k

二、Air Conditioning Performance Setting

2.1 Test procedure: 4 person, 40km/h(60min)-idle(20min)-90km/h(20min),

Other specification can refer to standards

2.2 AC target setting according to SOR,

Sheet2

三、Refrigerant Heat load Computation

3.1 Some data needed in computation

3.1.1、Surface area,

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